US20070169925A1 - Coil support - Google Patents
Coil support Download PDFInfo
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- US20070169925A1 US20070169925A1 US11/336,650 US33665006A US2007169925A1 US 20070169925 A1 US20070169925 A1 US 20070169925A1 US 33665006 A US33665006 A US 33665006A US 2007169925 A1 US2007169925 A1 US 2007169925A1
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- United States
- Prior art keywords
- coil
- coil support
- protrusion
- support
- condensing unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/36—Drip trays for outdoor units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/46—Component arrangements in separate outdoor units
- F24F1/48—Component arrangements in separate outdoor units characterised by air airflow, e.g. inlet or outlet airflow
- F24F1/50—Component arrangements in separate outdoor units characterised by air airflow, e.g. inlet or outlet airflow with outlet air in upward direction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
- F28D1/047—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag
- F28D1/0472—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag the conduits being helically or spirally coiled
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/007—Auxiliary supports for elements
- F28F9/013—Auxiliary supports for elements for tubes or tube-assemblies
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/14—Collecting or removing condensed and defrost water; Drip trays
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0068—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for refrigerant cycles
- F28D2021/007—Condensers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2240/00—Spacing means
Definitions
- the present invention relates to a coil support. More particularly, the present invention relates to a coil support configured to support a coil and limit movement of the coil in at least one direction.
- a split system heating and/or cooling system includes an outdoor unit, such as a condensing unit, and an indoor unit such as an evaporator unit.
- the condensing unit typically includes a protective cover (e.g., an inlet grill), a condenser coil, and a base pan for containing the condensing unit and receiving condensation that drips from the coil.
- the coil and base pan are disposed within the protective cover.
- condensation may accumulate on the coil, such as during a defrost cycle of the condensing unit. The condensation typically drips downward into the base pan.
- a coil support is often used to lift the coil off the base pan, rather than resting the coil directly in the base pan.
- the coil support separates the coil from the base pan, and therefore, any condensation that collects in the base pan.
- the coil support helps prevent corrosion between the base pan and the coil.
- using a coil support provides room for condensation to drip away from the coil and into the base pan.
- the present invention is a coil support suitable for supporting a coil in a condensing unit of a split system heating and/or cooling system.
- the coil support includes a surface configured to engage with the coil, and the surface includes a protrusion extending therefrom.
- the protrusion is configured to limit movement of the coil.
- the protrusion is a wall, while in another embodiment, the surface of the coil support includes a plurality of protrusions configured to engage with the coil.
- FIG. 1 is a perspective view of a condensing unit.
- FIG. 2 is a plan view of a base pan and coil assembly, which is supported and separated from the base pan by a plurality of coil supports.
- FIG. 3 is a plan view of the coil assembly, base pan, and coil support of FIG. 2 .
- FIG. 4 is a perspective view of a first embodiment of a coil support, which includes a surface and a wall extending from the surface.
- FIG. 5 is a perspective view of a second embodiment of a coil support, which includes a surface with a plurality of protrusions, and a wall extending from the surface.
- FIG. 6 is a plan view of the coil support of FIG. 5 , where a coil assembly is engaged with the protrusions on the coil support.
- FIG. 7 is a perspective view of a third embodiment of a coil support, which includes a surface with a plurality of protrusions.
- FIG. 8 is a perspective view of a fourth embodiment of a coil support, which includes a surface with a plurality of ribs.
- the present invention is a coil support suitable for use in a condensing unit to support a coil and limit movement of the coil.
- a surface of a coil support in accordance with the present invention includes at least one protrusion that limits and discourages movement of a coil.
- the protrusion is a wall that is configured to act as a stop and limit movement of the coil in at least one direction (e.g., helping to prevent the coil from contacting a protective cover of the condensing unit).
- a coil support in another embodiment, includes a plurality of protrusions arranged in a matrix, where the protrusions are configured to engage with a coil to discourage movement of the coil in a generally horizontal direction (i.e., movement along the x-y plane, where orthogonal x-y-z coordinates are shown in FIG. 1 ).
- a coil support includes a plurality of ribs configured to engage with the coil.
- FIG. 1 is a perspective view of a general condensing unit 10 of an air conditioning or heat pump system.
- Condensing unit 10 is shown to aid in the description of the present invention and is not intended to limit the scope of the present invention.
- Condensing unit 10 includes condenser coil assembly 12 , base pan 14 , condenser 16 , fan 18 , and orifice assembly 20 .
- Other components of condensing unit 10 such as a coil pad, have been removed from FIG. 1 for clarity of illustration.
- Coil assembly 12 is protected by inlet grill 22 , which, together with base pan 14 , also defines the shape of condensing unit 10 .
- condensing unit 10 is shown in FIG. 1 to be generally square with rounded corners in cross-section, in alternate embodiments, condensing unit 10 may be any suitable cross-section, such as a circular or rectangular.
- Coil assembly 12 is supported by a coil support (shown in FIG. 2 ) in accordance with the present invention, which is attached to base pan 14 using any suitable fastening mechanism, such as an adhesive, screw, or another mechanical attachment means.
- a coil support shown in FIG. 2
- any suitable fastening mechanism such as an adhesive, screw, or another mechanical attachment means.
- lifting coil assembly 12 off the bottom of base pan 14 helps prevent corrosion between coil assembly 12 and base pan 14 , and provides room for condensation to drip away from coil assembly 12 and into base pan 14 .
- the coil support will be discussed in further detail in reference to FIGS. 2-5 .
- condensing unit 10 When condensing unit 10 is used as a part of an air conditioning unit, fan 18 draws air from outside condensing unit 10 across coil assembly 12 .
- Refrigerant is enclosed in piping that is used to form coil 15 (shown in FIG. 3 ) of coil assembly 12 .
- the air absorbs heat from coil assembly 12 , which causes the refrigerant to condense.
- Orifice assembly 20 is used to direct air out of condensing unit 10 .
- the resulting liquid refrigerant then flows to an evaporator, which utilizes the refrigerant to cool air.
- coil assembly 12 acts as an evaporator coil to extract heat from the surrounding air.
- coil assembly 12 of condensing unit 10 may shift, and damage may result.
- coil assembly 12 may be pierced by a sharp edge of inlet grill 22 or by a screw that is used to assemble condensing unit 10 .
- the operation of condensing unit 10 may be compromised if coil assembly 12 is damaged.
- FIGS. 2-8 illustrate embodiments of a coil support in accordance with the present invention, where the coil support is configured to limit movement of coil assembly 12 .
- a coil support includes a wall that limits movement of coil assembly 12 in at least one direction. The wall is positioned between coil assembly 12 and inlet grill 22 and acts as a stop to help prevent coil assembly 12 from contacting inlet grill 22 . In some situations, the wall of the coil support also limits movement of coil assembly 12 the z-axis direction.
- a coil support includes a wall and a plurality of protrusions configured to engage coil assembly 12 . The protrusions help to discourage movement of coil assembly 12 along the x-y plane.
- a coil support in a third embodiment shown in FIG. 7 , includes a plurality of protrusions (but no wall) that are configured to engage a coil assembly and help secure the coil assembly in a fixed position.
- a coil support in a fourth embodiment shown in FIG. 8 , includes a wall and a plurality of ribs, which are configured to engage a coil assembly.
- a coil support in accordance with the present invention maybe formed of any suitable material, such as, but not limited to, a polymeric or a co-polymeric material.
- FIG. 2 is a plan view of base pan 14 and coil assembly 12 , which is supported and separated from base pan 14 by a plurality of coil supports 24 in accordance with a first embodiment.
- Coil supports 24 are positioned about a perimeter of base pan 14 .
- Each coil support 24 includes surface 26 , which engages with coil assembly 12 , and wall 28 , which extends from surface 26 .
- FIG. 3 is a plan view of coil assembly 12 , base pan 14 , and coil support 24 , and illustrates the relationship therebetween.
- Coil assembly 12 is engaged with surface 26 of coil support 24
- second surface 27 of coil support 24 is engaged with base pan 14 .
- Second surface 27 of coil support 24 is positioned on an opposite side of coil support 24 from surface 26 .
- surfaces 26 and 27 are generally parallel to one another. However, in alternate embodiments, surface 26 and/or surface 27 may be sloped in order to help condensation move from surface 26 into base pan 14 .
- Coil assembly 12 is typically a part of a plate-fin coil assembly (or a “plate-fin coil”), which, as known in the art, is comprised of a serpentine shaped coil 15 extending between two parallel end plates (not shown) with a series of thin, parallel fins 13 mounted on coil 15 . Fins 13 run along a vertical direction (i.e., the z-axis direction) and are oriented generally perpendicular to surface 26 of coil support 24 . Fins 13 are commonly made of aluminum, and may be spaced apart from 1 ⁇ 8 inch to 3/32 inch. Fins 13 engage with surface 26 of coil support 24 .
- wall 28 of each coil support 24 extends from and is generally perpendicular to surface 26 .
- wall 28 may be oriented at any suitable angle A less than 180° with respect to surface 26 .
- wall 28 may be integral with surface 26 .
- a screw or other fastener may protrude through edge 14 A of base pan 14 or through inlet grill 22 (shown in FIG. 1 ), which is adjacent to edge 14 A of base pan, in order to secure base pan 14 and inlet grill 22 together.
- wall 28 limits movement of coil assembly 12 in a direction toward side 25 of coil support 24 . Otherwise stated, wall 28 acts as a stop that helps discourage/limit movement of coil assembly 12 toward edge 14 A of base pan 14 , as well as toward inlet grill 22 .
- Wall 28 also helps to discourage movement of coil assembly 12 when the movement also includes a z-direction component due to height H of wall 28 .
- Height H may be adjusted, depending upon the amount of z-direction movement of coil assembly 12 that is to be restricted.
- coil support 24 may also include a second wall on an opposite end of surface 26 from wall 28 to limit movement of coil assembly 12 away from edge 14 A of base pan 14 .
- FIG. 4 is a perspective view of the first embodiment of coil support 24 .
- Length L S of surface 26 of coil support 24 is greater than length L W of wall 28 .
- length L S may be equal to or less than L W .
- Coil support 24 includes recesses 30 and lips 32 for securing coil support 24 to base pan 14 .
- a fastener such as a screw, maybe threaded through recesses 30 and into base pan 14 .
- coil support 24 may not include recesses 30 .
- lips 32 maybe eliminated from coil support 24 .
- FIG. 5 is a perspective view of a second embodiment of coil support 40 , which includes surface 42 , wall 44 extending from surface 42 , and a plurality of protrusions 46 on surface 42 .
- Coil support 40 is similar to coil support 24 of FIG. 4 , except that surface 42 includes a plurality of diamond-shaped protrusions 46 that further aid in discouraging movement of coil assembly 12 .
- Protrusions 46 are arranged in a matrix (i.e., a plurality of rows and columns). However, in alternate embodiments, protrusions 46 are arranged in another suitable pattern or in a random arrangement. In one embodiment, protrusions 46 are integral with surface 42 , while in another embodiment, protrusions 46 are distinct units attached to surface 42 .
- FIG. 6 is a plan view of coil support 40 disposed in base pan 14 , where coil assembly 12 is engaged with protrusions 46 on surface 42 of coil support 40 .
- Fins 13 of coil assembly 12 are formed of a deformable material, such as aluminum.
- protrusions 46 help discourage movement of coil assembly 12 along the x-y plane.
- FIG. 5 illustrates protrusions 46 having a diamond shape, protrusions 46 may be modified in alternate embodiments to be of any suitable shape.
- FIG. 7 illustrates a perspective view of a third embodiment of coil support 50 , which is similar to coil support 40 of FIG. 5 , except that coil support 50 does not include a wall extending from surface 52 . Rather, as FIG. 7 shows, a plurality of protrusions 54 (which are similar to protrusions 46 of FIG. 4 ) on surface 52 of coil support discourage movement of coil assembly 12 generally along the x-y plane.
- FIG. 8 is a fourth embodiment of coil support 60 in accordance with the present invention, which includes surface 62 , plurality of elongated ribs 64 extending from surface 62 , and wall 66 .
- ribs 64 are integrally formed with surface 62
- ribs 64 are attached to surface 62 .
- protrusions 46 FIG. 6
- ribs 64 on surface 62 are configured to engage with coil assembly 12 .
- fins 13 deform around ribs 64 to discourage movement of coil assembly 12 in a generally horizontal direction.
- Coil support 60 may be modified to exclude wall 66 , as well as change the pattern of ribs 64 on surface 62 .
Abstract
Description
- None.
- The present invention relates to a coil support. More particularly, the present invention relates to a coil support configured to support a coil and limit movement of the coil in at least one direction.
- A split system heating and/or cooling system includes an outdoor unit, such as a condensing unit, and an indoor unit such as an evaporator unit. The condensing unit typically includes a protective cover (e.g., an inlet grill), a condenser coil, and a base pan for containing the condensing unit and receiving condensation that drips from the coil. The coil and base pan are disposed within the protective cover. During operation, condensation may accumulate on the coil, such as during a defrost cycle of the condensing unit. The condensation typically drips downward into the base pan.
- A coil support is often used to lift the coil off the base pan, rather than resting the coil directly in the base pan. The coil support separates the coil from the base pan, and therefore, any condensation that collects in the base pan. By lifting the coil up off of the bottom of the base pan, the coil support helps prevent corrosion between the base pan and the coil. Furthermore, using a coil support provides room for condensation to drip away from the coil and into the base pan.
- The present invention is a coil support suitable for supporting a coil in a condensing unit of a split system heating and/or cooling system. The coil support includes a surface configured to engage with the coil, and the surface includes a protrusion extending therefrom. The protrusion is configured to limit movement of the coil. In one embodiment, the protrusion is a wall, while in another embodiment, the surface of the coil support includes a plurality of protrusions configured to engage with the coil.
-
FIG. 1 is a perspective view of a condensing unit. -
FIG. 2 is a plan view of a base pan and coil assembly, which is supported and separated from the base pan by a plurality of coil supports. -
FIG. 3 is a plan view of the coil assembly, base pan, and coil support ofFIG. 2 . -
FIG. 4 is a perspective view of a first embodiment of a coil support, which includes a surface and a wall extending from the surface. -
FIG. 5 is a perspective view of a second embodiment of a coil support, which includes a surface with a plurality of protrusions, and a wall extending from the surface. -
FIG. 6 is a plan view of the coil support ofFIG. 5 , where a coil assembly is engaged with the protrusions on the coil support. -
FIG. 7 is a perspective view of a third embodiment of a coil support, which includes a surface with a plurality of protrusions. -
FIG. 8 is a perspective view of a fourth embodiment of a coil support, which includes a surface with a plurality of ribs. - The present invention is a coil support suitable for use in a condensing unit to support a coil and limit movement of the coil. In particular, a surface of a coil support in accordance with the present invention includes at least one protrusion that limits and discourages movement of a coil. In one embodiment, the protrusion is a wall that is configured to act as a stop and limit movement of the coil in at least one direction (e.g., helping to prevent the coil from contacting a protective cover of the condensing unit). In another embodiment, a coil support includes a plurality of protrusions arranged in a matrix, where the protrusions are configured to engage with a coil to discourage movement of the coil in a generally horizontal direction (i.e., movement along the x-y plane, where orthogonal x-y-z coordinates are shown in
FIG. 1 ). In yet another embodiment, a coil support includes a plurality of ribs configured to engage with the coil. -
FIG. 1 is a perspective view of ageneral condensing unit 10 of an air conditioning or heat pump system.Condensing unit 10 is shown to aid in the description of the present invention and is not intended to limit the scope of the present invention.Condensing unit 10 includescondenser coil assembly 12,base pan 14,condenser 16,fan 18, andorifice assembly 20. Other components ofcondensing unit 10, such as a coil pad, have been removed fromFIG. 1 for clarity of illustration.Coil assembly 12 is protected byinlet grill 22, which, together withbase pan 14, also defines the shape ofcondensing unit 10. Althoughcondensing unit 10 is shown inFIG. 1 to be generally square with rounded corners in cross-section, in alternate embodiments,condensing unit 10 may be any suitable cross-section, such as a circular or rectangular. -
Coil assembly 12 is supported by a coil support (shown inFIG. 2 ) in accordance with the present invention, which is attached tobase pan 14 using any suitable fastening mechanism, such as an adhesive, screw, or another mechanical attachment means. As discussed in the Background section,lifting coil assembly 12 off the bottom ofbase pan 14 helps prevent corrosion betweencoil assembly 12 andbase pan 14, and provides room for condensation to drip away fromcoil assembly 12 and intobase pan 14. The coil support will be discussed in further detail in reference toFIGS. 2-5 . - When
condensing unit 10 is used as a part of an air conditioning unit,fan 18 draws air fromoutside condensing unit 10 acrosscoil assembly 12. Refrigerant is enclosed in piping that is used to form coil 15 (shown inFIG. 3 ) ofcoil assembly 12. As the refrigerant passes throughcoil 15 ofcoil assembly 12 and the cooler air fromoutside condensing unit 10 passes acrosscoil assembly 12, the air absorbs heat fromcoil assembly 12, which causes the refrigerant to condense. Orificeassembly 20 is used to direct air out ofcondensing unit 10. The resulting liquid refrigerant then flows to an evaporator, which utilizes the refrigerant to cool air. As those skilled in the art recognize, when condensingunit 10 is used as a part of a heat pump system,coil assembly 12 acts as an evaporator coil to extract heat from the surrounding air. - It has been found that during the handling (e.g., shipping, installation, etc.) of
condensing unit 10,coil assembly 12 ofcondensing unit 10 may shift, and damage may result. For example,coil assembly 12 may be pierced by a sharp edge ofinlet grill 22 or by a screw that is used to assemblecondensing unit 10. The operation ofcondensing unit 10 may be compromised ifcoil assembly 12 is damaged. -
FIGS. 2-8 illustrate embodiments of a coil support in accordance with the present invention, where the coil support is configured to limit movement ofcoil assembly 12. In a first embodiment shown inFIGS. 2-4 , a coil support includes a wall that limits movement ofcoil assembly 12 in at least one direction. The wall is positioned betweencoil assembly 12 andinlet grill 22 and acts as a stop to help preventcoil assembly 12 from contactinginlet grill 22. In some situations, the wall of the coil support also limits movement ofcoil assembly 12 the z-axis direction. In a second embodiment shown inFIG. 5 , a coil support includes a wall and a plurality of protrusions configured to engagecoil assembly 12. The protrusions help to discourage movement ofcoil assembly 12 along the x-y plane. In a third embodiment shown inFIG. 7 , a coil support includes a plurality of protrusions (but no wall) that are configured to engage a coil assembly and help secure the coil assembly in a fixed position. In a fourth embodiment shown inFIG. 8 , a coil support includes a wall and a plurality of ribs, which are configured to engage a coil assembly. - A coil support in accordance with the present invention maybe formed of any suitable material, such as, but not limited to, a polymeric or a co-polymeric material.
-
FIG. 2 is a plan view ofbase pan 14 andcoil assembly 12, which is supported and separated frombase pan 14 by a plurality of coil supports 24 in accordance with a first embodiment. Coil supports 24 are positioned about a perimeter ofbase pan 14. Eachcoil support 24 includessurface 26, which engages withcoil assembly 12, andwall 28, which extends fromsurface 26. -
FIG. 3 is a plan view ofcoil assembly 12,base pan 14, andcoil support 24, and illustrates the relationship therebetween.Coil assembly 12 is engaged withsurface 26 ofcoil support 24, whilesecond surface 27 ofcoil support 24 is engaged withbase pan 14.Second surface 27 ofcoil support 24 is positioned on an opposite side ofcoil support 24 fromsurface 26. As shown inFIG. 3 , surfaces 26 and 27 are generally parallel to one another. However, in alternate embodiments,surface 26 and/orsurface 27 may be sloped in order to help condensation move fromsurface 26 intobase pan 14. -
Coil assembly 12 is typically a part of a plate-fin coil assembly (or a “plate-fin coil”), which, as known in the art, is comprised of a serpentine shapedcoil 15 extending between two parallel end plates (not shown) with a series of thin,parallel fins 13 mounted oncoil 15.Fins 13 run along a vertical direction (i.e., the z-axis direction) and are oriented generally perpendicular to surface 26 ofcoil support 24.Fins 13 are commonly made of aluminum, and may be spaced apart from ⅛ inch to 3/32 inch.Fins 13 engage withsurface 26 ofcoil support 24. - As
FIG. 3 illustrates,wall 28 of eachcoil support 24 extends from and is generally perpendicular to surface 26. However, in alternate embodiments,wall 28 may be oriented at any suitable angle A less than 180° with respect tosurface 26. Furthermore,wall 28 may be integral withsurface 26. - A screw or other fastener may protrude through
edge 14A ofbase pan 14 or through inlet grill 22 (shown inFIG. 1 ), which is adjacent to edge 14A of base pan, in order to securebase pan 14 andinlet grill 22 together. In order to help prevent the screw from puncturing:coil 15 ofcoil assembly 12,wall 28 limits movement ofcoil assembly 12 in a direction towardside 25 ofcoil support 24. Otherwise stated,wall 28 acts as a stop that helps discourage/limit movement ofcoil assembly 12 towardedge 14A ofbase pan 14, as well as towardinlet grill 22. -
Wall 28 also helps to discourage movement ofcoil assembly 12 when the movement also includes a z-direction component due to height H ofwall 28. Height H may be adjusted, depending upon the amount of z-direction movement ofcoil assembly 12 that is to be restricted. - When multiple coil supports 24 are used, as shown in
FIG. 2 , a confined space is defined forcoil assembly 12, thus further limiting movement ofcoil assembly 12. The confined space helps ensurecoil assembly 12 will remain in place during handling of condensingunit 10. In an alternate embodiment,coil support 24 may also include a second wall on an opposite end ofsurface 26 fromwall 28 to limit movement ofcoil assembly 12 away fromedge 14A ofbase pan 14. -
FIG. 4 is a perspective view of the first embodiment ofcoil support 24. Length LS ofsurface 26 ofcoil support 24 is greater than length LW ofwall 28. Alternatively, length LS may be equal to or less than LW. Coil support 24 includesrecesses 30 andlips 32 for securingcoil support 24 tobase pan 14. A fastener, such as a screw, maybe threaded throughrecesses 30 and intobase pan 14. Of course, if an adhesive is used to attachcoil support 24 tobase pan 14,coil support 24 may not include recesses 30. Furthermore, in an alternate embodiment,lips 32 maybe eliminated fromcoil support 24. -
FIG. 5 is a perspective view of a second embodiment ofcoil support 40, which includessurface 42,wall 44 extending fromsurface 42, and a plurality ofprotrusions 46 onsurface 42.Coil support 40 is similar tocoil support 24 ofFIG. 4 , except thatsurface 42 includes a plurality of diamond-shapedprotrusions 46 that further aid in discouraging movement ofcoil assembly 12.Protrusions 46 are arranged in a matrix (i.e., a plurality of rows and columns). However, in alternate embodiments,protrusions 46 are arranged in another suitable pattern or in a random arrangement. In one embodiment,protrusions 46 are integral withsurface 42, while in another embodiment,protrusions 46 are distinct units attached to surface 42. -
FIG. 6 is a plan view ofcoil support 40 disposed inbase pan 14, wherecoil assembly 12 is engaged withprotrusions 46 onsurface 42 ofcoil support 40.Fins 13 ofcoil assembly 12 are formed of a deformable material, such as aluminum. Whencoil assembly 12 is positioned onsurface 42 ofcoil support 40,fins 13 engage withprotrusions 46 onsurface 42 and deform aroundprotrusions 46. By interfacing withfins 13,protrusions 46 help discourage movement ofcoil assembly 12 along the x-y plane. AlthoughFIG. 5 illustratesprotrusions 46 having a diamond shape,protrusions 46 may be modified in alternate embodiments to be of any suitable shape. -
FIG. 7 illustrates a perspective view of a third embodiment ofcoil support 50, which is similar tocoil support 40 ofFIG. 5 , except thatcoil support 50 does not include a wall extending fromsurface 52. Rather, asFIG. 7 shows, a plurality of protrusions 54 (which are similar toprotrusions 46 ofFIG. 4 ) onsurface 52 of coil support discourage movement ofcoil assembly 12 generally along the x-y plane. -
FIG. 8 is a fourth embodiment ofcoil support 60 in accordance with the present invention, which includessurface 62, plurality ofelongated ribs 64 extending fromsurface 62, andwall 66. In one embodiment,ribs 64 are integrally formed withsurface 62, while in another embodiment,ribs 64 are attached to surface 62. Just as protrusions 46 (FIG. 6 ) are configured to engage withfins 13 ofcoil assembly 12,ribs 64 onsurface 62 are configured to engage withcoil assembly 12. Whencoil assembly 12 is positioned onsurface 62,fins 13 deform aroundribs 64 to discourage movement ofcoil assembly 12 in a generally horizontal direction.Coil support 60 may be modified to excludewall 66, as well as change the pattern ofribs 64 onsurface 62. - The terminology used herein is for the purpose of description, not limitation. Specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as bases for teaching one skilled in the art to variously employ the present invention. Although the present invention has been described with reference to preferred embodiments, workers skilled in the art will recognize that changes may be made in form and detail without departing from the spirit and scope of the invention.
Claims (20)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/336,650 US7708052B2 (en) | 2006-01-20 | 2006-01-20 | Coil support |
CA002574288A CA2574288A1 (en) | 2006-01-20 | 2007-01-17 | Coil support |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US11/336,650 US7708052B2 (en) | 2006-01-20 | 2006-01-20 | Coil support |
Publications (2)
Publication Number | Publication Date |
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US20070169925A1 true US20070169925A1 (en) | 2007-07-26 |
US7708052B2 US7708052B2 (en) | 2010-05-04 |
Family
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Family Applications (1)
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US11/336,650 Active 2027-12-09 US7708052B2 (en) | 2006-01-20 | 2006-01-20 | Coil support |
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US (1) | US7708052B2 (en) |
CA (1) | CA2574288A1 (en) |
Cited By (5)
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US20090025418A1 (en) * | 2007-07-27 | 2009-01-29 | Johnson Controls Technology Company | Heat exchanger support |
JP2013217525A (en) * | 2012-04-05 | 2013-10-24 | Mitsubishi Electric Corp | Outdoor unit of air conditioner and air conditioner equipped with the same |
US20140311175A1 (en) * | 2013-04-19 | 2014-10-23 | Lg Electronics Inc. | Air conditioner |
US20150000321A1 (en) * | 2011-11-30 | 2015-01-01 | Daikin Industries, Ltd. | Outdoor unit of air conditioning device |
EP2806220A4 (en) * | 2011-12-28 | 2016-01-13 | Daikin Ind Ltd | Outdoor unit for refrigeration device |
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JP5353998B2 (en) * | 2011-11-30 | 2013-11-27 | ダイキン工業株式会社 | Air conditioner outdoor unit |
US10215507B2 (en) * | 2014-04-15 | 2019-02-26 | Trane International Inc. | Coil support pad having condensate drainage functionality |
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US20150000321A1 (en) * | 2011-11-30 | 2015-01-01 | Daikin Industries, Ltd. | Outdoor unit of air conditioning device |
US9541323B2 (en) * | 2011-11-30 | 2017-01-10 | Daikin Industries, Ltd. | Condensation removal in an outdoor unit of an air conditioning device |
EP2806220A4 (en) * | 2011-12-28 | 2016-01-13 | Daikin Ind Ltd | Outdoor unit for refrigeration device |
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US20140311175A1 (en) * | 2013-04-19 | 2014-10-23 | Lg Electronics Inc. | Air conditioner |
Also Published As
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CA2574288A1 (en) | 2007-07-20 |
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